EPEVER Tracer 4210AN G3
#7 in MPPT solarFull review
A budget 40 A controller for owners who are happy setting it up on its own screen. Add the Bluetooth adapter if you want phone monitoring.
Amazon $118.99$118.99
The EPEVER Tracer 4210AN G3 rates 3.9 among MPPT solar charge controllers; the Redarc BCDC Classic 40 (BCDC1240D) rates 2.4 among DC-DC ones. The EPEVER Tracer 4210AN G3 costs $466.63 less ($118.99 vs $585.62).
Redarc BCDC Classic 40 (BCDC1240D)
#12 in DC-DCFull review
For overlanders who want a tough, potted charger that can live in the engine bay and take solar too. Buyers mounting inside the cabin can get similar charging for much less.
Amazon $585.62$585.62
Prices were last checked October 22, 2026 and are subject to change; the price and availability shown by the retailer at the time of purchase apply.
Scores side by side
These two sit in different type classes (MPPT solar and DC-DC), and each is scored against the reference points for its own class, so a rating says how well each does among its own type peers. How we rank explains each factor.
| Factor weight | EPEVER Tracer 4210AN G3 | Redarc BCDC Classic 40 (BCDC1240D) |
|---|---|---|
| Overall rating | 3.9/5 | 2.4/5 |
| Value 35% | 94 $2.97 per amp of charge current | 0 $14.64 per amp of charge current |
| Features 25% | 59 Bluetooth add-on, lithium profile, temperature sensor; no temperature sensor | 45 lithium profile, smart-alternator support; no Bluetooth |
| Efficiency 20% | 75 98% peak efficiency (maker rating) | 50 efficiency not published (neutral score used) |
| Warranty 20% | 25 2-year warranty | 25 2-year warranty |
Specifications
| EPEVER Tracer 4210AN G3 | Redarc BCDC Classic 40 (BCDC1240D) | |
|---|---|---|
| Charging | ||
| Type | MPPT solar charge controller | DC-DC charger with MPPT solar input |
| Charge current | 40 A | 40 A |
| Battery voltage | 12/24 V | 12 V |
| Lithium profile | Yes | Yes |
| Custom profile | Yes | No |
| Temperature sensor | Optional extra | No |
| Peak efficiency | 98% | - |
| Standby draw | 8 mA | 8 mA |
| Inputs | ||
| Max PV voltage (Voc) | 100 V | 32 V |
| Max PV power (12 V) | 520 W | - |
| DC input range | - | 9 to 32 V |
| Smart alternator | - | Yes |
| Ignition sensing | - | Yes |
| Monitoring and build | ||
| Bluetooth | Optional add-on | No |
| Display | Yes | No |
| Load output | Yes | No |
| Cooling | - | passive (fan-free) |
| Water resistance | IP30 | - |
| Dimensions | 252 x 180 x 63 mm | 6.5 x 4.75 x 1.47 in |
| Weight | 3.6 lb | 2.2 lb |
| Warranty | 2 years | 2 years |